topic Re: percentage of two rasters in 3D Questions https://community.esri.com/t5/3d-questions/percentage-of-two-rasters/m-p/351114#M2134 <HTML><HEAD></HEAD><BODY><P>similarity by location, or similarity in total?</P><P>by location... do a subtraction, preferably with a small tolerance to account for floating point representation or just small values.&nbsp; The cell count of zeros divided by the total cell count is what you would need ... this is quasi-manual and not easily overcome</P><P>in total, doesn't make any sense, just quantify the elevation histograms if the areas are discrete and state the average and std devs (still not a great idea)</P></BODY></HTML> Mon, 11 Apr 2016 02:02:27 GMT DanPatterson_Retired 2016-04-11T02:02:27Z percentage of two rasters https://community.esri.com/t5/3d-questions/percentage-of-two-rasters/m-p/351113#M2133 <HTML><HEAD></HEAD><BODY><P>Hi, friends.</P><P>I would like to ask if it´s possible to calculate percentage of same values in cells between two rasters - digital elevation model. i need to know percentage of similarness of heights in these dems.</P><P></P><P>or can i do the same thing with two layers of contours?</P><P></P><P>thank you so much <IMG src="https://community.esri.com/legacyfs/online/emoticons/happy.png" /></P></BODY></HTML> Mon, 11 Apr 2016 00:09:40 GMT https://community.esri.com/t5/3d-questions/percentage-of-two-rasters/m-p/351113#M2133 StanislavaV 2016-04-11T00:09:40Z Re: percentage of two rasters https://community.esri.com/t5/3d-questions/percentage-of-two-rasters/m-p/351114#M2134 <HTML><HEAD></HEAD><BODY><P>similarity by location, or similarity in total?</P><P>by location... do a subtraction, preferably with a small tolerance to account for floating point representation or just small values.&nbsp; The cell count of zeros divided by the total cell count is what you would need ... this is quasi-manual and not easily overcome</P><P>in total, doesn't make any sense, just quantify the elevation histograms if the areas are discrete and state the average and std devs (still not a great idea)</P></BODY></HTML> Mon, 11 Apr 2016 02:02:27 GMT https://community.esri.com/t5/3d-questions/percentage-of-two-rasters/m-p/351114#M2134 DanPatterson_Retired 2016-04-11T02:02:27Z